Wheeler Rex 4490 4" Internal Pipe Cutter Specifications: For 4" schedule 80 pipe and DWV. Make accurate, square cuts at floor level or in other blind locations. Easily preset for depth of cut, they are installed in the pipe and make their cuts in seconds. Recommended user supplied power source: 1/2" capacity, 350-450 rpm drill, rated at 4.6 to 6 amps. For PVC and ABS plastic pipe sizes from 1-1/2" to 6" Diameter.